Freeze 12? - Pontiac GTO Forum
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post #1 of 14 (permalink) Old 06-28-2009, 10:07 PM Thread Starter
 
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Freeze 12?

Any one running freeze 12 refrigerant? I put some in a Vette I used to own with good results. Thinking now of running it in my '66 GTO. I have heard a few concerns about it, and also heard a few say it was great. I don't want to convert to 134a if I don't have too.
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post #2 of 14 (permalink) Old 06-28-2009, 10:29 PM
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Freeze 12? Never heard of it. Do you mean Freon 12?
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post #3 of 14 (permalink) Old 06-29-2009, 12:49 AM
 
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Most like R-12 which was replaced with R-134a which is now used modern cars. R-12 was taken off the market due to the depleteion of the ozone layer. It is still available on the market however, you must be licensed to buy it and R-12 is extremely expensive 1 pound of the stuff runs about $30-$50 a few years back. Also it's very hard to find as well. You are better off switching your system over to a 134a with a retro kit.

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post #4 of 14 (permalink) Old 06-29-2009, 11:13 AM
 
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freeze 12 r12,FREEZE12 COMPATIBLE R12 REPLACEMENT A/C REFRIGERANT
It's supposedly an R-12 replacement. After 30 years as a mechanic, I've never used it.
I just convert R-12 systems to R-134A.
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post #5 of 14 (permalink) Old 06-29-2009, 11:38 AM
 
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Sometimes you might get lucky, I've been a mechanic for 5-6 years and found 8 containers of R-12 (16 oz cans) for $1 each at a garage sale 10 years ago. Of course I bought every one of them and still have them today

Lucas
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post #6 of 14 (permalink) Old 06-29-2009, 03:26 PM
 
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Yes, in AZ you can bet I've heard of Freeze-12. I've talked to about 5 or 6 people who have done the switchout, and have heard nothing but praises. It's a very viable alternative to R-12. R-134 requires higher pressure and subsequently causes problems on retro-kitted cars if the kit isn't specialized for the car. R-12 Condensers aren't sufficent for R-134, so any kit that has you use a stock condenser, will only give you headaches later on.

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post #7 of 14 (permalink) Old 06-29-2009, 06:37 PM
 
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Yeah but they usually include a new condensor for the 134a switchover I think in the retro kit right???
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post #8 of 14 (permalink) Old 06-29-2009, 07:03 PM
 
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I'm a licensed HVAC/MVAC tech. I've used Freeze 12 with no problems. Before I bought my GTO, I owned classic Datsuns. I ran Freeze 12 in both my 78 280Z and my 79 810 2dr. 8 years in the Z and 6 years in the 810. It doesn't require any components to be changed over. What scares people about Freeze 12 is that one of the components, HFC 152a(Difluoroethane), is highly flammable. Rest assured that, in solution, that would never be a problem. And if things ever got hot enough, for whatever reason, to seperate the 152a from the rest of the refrigerant solution, you'd have other more serious problems to be concerned with(like that thing behind you that carries 18.5 gallons......).

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post #9 of 14 (permalink) Old 06-30-2009, 10:19 AM
 
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Quote:
Originally Posted by Lukeduk1980 View Post
Yeah but they usually include a new condensor for the 134a switchover I think in the retro kit right???
Of that, I don't know. I've never done a conversion.

"Some people are like slinky's. They really have no useful purpose, but they can still put a smile on your face when you push them down stairs."
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post #10 of 14 (permalink) Old 06-30-2009, 09:37 PM Thread Starter
 
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I believe I'll put some in the '66 this weekend, thanks for the responses guys.
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